Compress AVIF Images Online — Free & Ad-Free
Next-generation image format based on the AV1 video codec. Offers superior compression to both WebP and JPEG. ImageSmith's free AVIF compressor reduces file sizes by 60–90% using advanced lossy compression, entirely in your browser. AVIF provides the best compression ratio of any mainstream web image format. Use with JPEG or WebP fallback for broad compatibility.
✓Up to 50% smaller than JPEG at equivalent perceptual quality
✓Better quality at low bitrates compared to WebP
✓Supports HDR, wide color gamut, and transparency
✓Growing browser support (Chrome 85+, Firefox 93+, Safari 16+)
Compress AVIF to a Specific Size
Other Format Compressors
When to Use AVIF
Use AVIF for maximum compression efficiency in modern browser environments where cutting-edge format support is available.